*{
    padding:0;
    margin:0;
}
.header-wrap{
    background-color: #000;
}
.header{
    height:50px;
    width:1200px;
    margin:0 auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.header .logo{
    height:30px;
}
.header a{
    color:#eee;
    margin-left:10px;
}
.header a:hover{
    color:#aaa;
}